442

Names of 442

• Cardinal: 442 can be written as Four hundred forty-two.

Scientific notation

• Scientific notation: 4.42 × 10²

Factors of 442

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 32

Divisors of 442

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 13 17 26 34 221 442
• Sum of all divisors σ(n): 756
• Sum of proper divisors (its aliquot sum) s(n): 314
• 442 is a deficient number, because the sum of its proper divisors (314) is less than itself. Its deficiency is 128

Bases of 442

• Binary: 110111010₂
• Hexadecimal: 0x1BA
• Base-36: CA

Squares and roots of 442

• 442 squared (442²) is 195364
• 442 cubed (442³) is 86350888
• The square root of 442 is 21.0237960417
• The cube root of 442 is 7.6174116031

Scales and comparisons

• 442 seconds is equal to 7 minutes, 22 seconds.
• To count from 1 to 442 would take you about three minutes.

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 442 cubic inches would be around 0.6 feet tall.

Recreational maths with 442

• 442 backwards is 244
• The number of decimal digits it has is: 3
• The sum of 442's digits is 10
• More coming soon!